REMOTE ALARM PANEL
INSTRUCTION MANUAL
SERIAL NO.
MODEL NO.
DRAP-5
MASTER CONTROL SYSTEMS, INC.
P.O. BOX 276 • 910 NORTH SHORE DRIVE • LAKE BLUFF, ILLINOIS 60044, USA
TELEPHONE: 847-295-1010 • FAX: 847-295-0704
www.mastercontrols.com
MODEL DRAP
REMOTE ALARM PANELS
Table of Contents
Installation Instruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Operating Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Theory of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Replacement Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Schematic Diagram
External Wiring
INSTALLATION INSTRUCTIONS
FOR
SERIES DRAP ALARM PANELS
These Remote Alarm panels are designed for remote monitoring and supervision of Fire Pump
installation. They should be mounted at a point of constant attendance such as a guardhouse,
switchboard, or the like. This is to meet the requirements of NFPA 20 when the pump room is not
constantly attended (NFPA 20-1980, Par. 7-4.5 & 9-4.2).
The alarm panel cabinet must be surface wall mounted in a vertical position. The cabinet must be
mounted indoors and must not be located in areas subject to falling or spraying water. Four external
mounting ears having 5/16 inch holes (or slots) are provided to accept 1/4 inch mounting bolts. The unit
weight is less that 25 pounds. Refer to MOUNTING DIMENSION drawing for mounting size and hole
locations.
Knockouts are provided for conduit entry. The unit should be powered by a local A.C. power branch
circuit. However, to eliminate the necessity of ordering Supervisory Power Failure Start in the
Electric Fire Pump Controller, the DRAP utilizes the 115Vac Auxiliary Power output on the
Electric Fire Pump Controller to monitor and provide back-up power for Supervisory Power.
With this back-up power, the DRAP can provide an audible and visual indication of "Supervisoory
Power Normal". The power requirements of the alarm panel is less than one ampere. Refer to the
EXTERNAL WIRING DIAGRAM for wiring information. The A.C. input power wires need not be
larger than 14 AWG. Refer to the alarm panel NAMEPLATE for required A.C. power voltage and
frequency. The unit is provided with a bonding terminal for use with wired ground systems.
The unit has an isolated S.P.D.T. (Form "C") contact for wiring to a remote external alarm device or
alarm system or central station. Source and signal is by others.
TABLE 1 - FIELD WIRING CONNECTIONS
TERMINAL
MINIMUM WIRE SIZE (COPPER)
DESIGNATION
TB1-1 (AC-H)
--14 AWG-(Code)
A.C. Power Input Terminal (high side,
fused side)--Connect to high side of
A.C. supply if fused (or breakered)
consistent with the nameplate A.C.
current requirements. A slo blow or
time-lag fuse or breaker is preferred.
TB1-2 (AC-N)
--14 AWG-(Code)
A.C. Power return Terminal--Connect
to low or neutral side of A.C. supply.
Master Control Systems, Inc.
DRAP
-1-
Lake Bluff, Illinois
Rev.: 02.02.25
INSTALLATION INSTRUCTIONS - (Continued)
TABLE 1 - FIELD WIRING CONNECTIONS - (Continued)
TERMINAL
MINIMUM WIRE SIZE (COPPER)
DESIGNATION
TB1-3
--#14 AWG--
High Side (fused) of Auxiliary Electric
Fire Pump Controller power supply.
TB1-4
--#14 AWG--
Low Side (neutral) of Auxiliary Electric
Fire Pump Controller power supply.
TB1-5 (GND)
--As Required--
TB1-6
TB1-7
TB1-8
--#16 AWG---#16 AWG---#16 AWG--
Chassis Ground--Connect to ground wire of a
three prong line cord when used. Connect to
ground wire in a conduit wired installation when
a wired ground is required. (The chassis is not
insulated from the cabinet).
N.O.
to
COM.
Remote
N.C. Alarm Device
TB2- and Above
See Table 2
and Table 3
Alarm Circuit (See Schematic)
Common
The following calculations are based on a 10% loop drop. The signal voltage is 24 VDC, unfiltered, from
the alarm set and is not a Class 2 signal and is isolated from the line. Max current per alarm circuit is
100mA maximum.
Technical: The alarm current draw is 2.4 mA for each of two common relays and 50 mA per alarm lamp.
Maximum draw per alarm is approximately 100 mA for the first alarm and 50 mA each after. The
maximum loop resistance is 75 ohm. The maximum run resistance is 35 ohm.
Master Control Systems, Inc.
DRAP
-2-
Lake Bluff, Illinois
Rev.: 02.02.25
Table 2 shows maximum RUN lengths if multiple common wires are used (one per alarm -or- one pair of
wires per signal). E.G., 8 wires for a DRAP.
TABLE 2
WIRE SIZE
RES/1000 FT.
MAX. RUN LENGTH
#12 AWG
#14 AWG
#16 AWG
#18 AWG
#20 AWG
#22 AWG
#24 AWG
#26 AWG
1.588 ohm
2.525 ohm
4.016 ohm
6.385 ohm
10.15 ohm
16.14 ohm
25.67 ohm
40.18 ohm
22,000 ft.
14,000 ft.
9,000 ft.
5,500 ft.
2,500 ft.
2,200 ft.
1,400 ft.
900 ft.
Table 3 shows maximum run lengths if only a single common wire is used (E.G., total of 5 wires for a
DRAP-4) and is the same size as the signal wires.
Master Control Systems, Inc.
DRAP
-3-
Lake Bluff, Illinois
Rev.: 02.02.25
INSTALLATION INSTRUCTIONS - (Continued)
TABLE 3
MAX. RUN LENGTH IN FEET
NO. OF ALARM CIRCUITS (DRAP(-X); VALUES OF "X")
WIRE
SIZE
-3
-4
-5
-7
-9
-10
-13
-15
#12 AWG
19,000
15,000
12,500
9,400
7,500
7,000
5,400
4,700
#14 AWG
12,000
9,500
7,900
5,900
4,700
4,400
3,400
3,000
#16 AWG
7,500
6,000
5,000
3,700
3,000
2,700
2,100
1,800
#18 AWG
4,700
3,700
3,100
2,300
1,900
1,700
1,200
1,100
#20 AWG
3,000
2,400
2,000
1,500
1,200
1,100
800
700
#22 AWG
1,800
1,500
1,200
900
750
700
500
450
#24 AWG
1,200
900
800
600
500
400
330
300
#26 AWG
750
600
500
400
300
270
200
180
200mA
250mA
300mA
400mA
500mA
550mA
700mA
800mA
30 ohm
24
ohm
20
ohm
15
ohm
12
ohm
11
ohm
8.6
ohm
7.5 ohm
MAX.
COMMO
N
DRAW
MAX.
COMMO
N
RES.
These values are valid only when the alarm set is powered locally.
All alarm wiring must be isolated from line & ground.
Master Control Systems, Inc.
DRAP
-4-
Lake Bluff, Illinois
Rev.: 02.02.25
GENERAL INFORMATION
MODEL DRAP REMOTE ALARM PANEL
The Remote Alarm Panel (DRAP) provides individual failure signal lamps, audible alarm, and isolated failure
alarm contacts factory wired to terminals external remote device or circuit.
Also furnished are: A.C. normal power, primary & secondary fuses, F1 & F2 respectively and normal power
on indicating lamp. A.C. Supervisory Power primary & secondary fuses, F3 & F4 respectively and supervisory
power on indicating lamp.
A test switch for checking the proper functioning of alarm circuits, signal lamps, audible alarm and
isolated alarm contacts; and an alarm silence switch for silencing the audible alarm.
Repetitive alarm circuit are provided. With this circuit a recurring failure will still sound the audible alarm
even though the alarm silence function has been initiated.
When a failure occurs the related signal lamp energizes. The circuit senses this failure and energizes the
audible alarm and external remote alarm. The Remote Alarm Panel remains in this alarm state until the
initiating failure cause is corrected.
The audible alarm may be silenced by actuating the Alarm Silence switch, this however, has no effect on the
related failure signal lamp which will remain energized until the failure cause is corrected.
Should recurring failures occur on the designated repetitive alarm circuit, after the audible alarm has been
silenced, the circuit will again sound the audible alarm.
OPERATING PROCEDURES
To Place Alarm Panel Into Operation, connect to a local A.C. power branch circuit and to the Auxiliary 115Vac
supply on the Electric Controller. The Normal Power & Supervisory Power lamps will light to indicate the alarm
panel is in the standby condition, ready to initiate the alarm circuit(s) should a failure(s) occur. Failures are sensed
by the alarm panel through external (normally open) failure contacts connected to the alarm panel terminals, (See
Schematic).
To Silence the Alarm(s) momentarily operate the Alarm Silence switch SW2 to energize relay RK21.
Contacts RK21B opens to de-energize relay RK11. Contacts RK11A open to de-energize the audible alarm
& relay K1. Contacts K1A & K1B transfer back to normal to de-energize the external remote alarm
or alarm device. Contacts RK11B & RK21A close to seal-in relay RK21 through closed RK2A contacts.
TO TEST ALARM CIRCUITS momentarily operate the "Test" switch which simulates the closing of all
alarm failure contacts. This will cause all alarm lamps to light and the audible alarm and external remote
alarm to become energized in the same sequence as previously described. Releasing the "test" switch
de-energize the alarm circuits. The "Alarm Silence" switch also functions while the "Test" switch is operated.
Master Control Systems, Inc.
DRAP
-5-
Lake Bluff, Illinois
Rev.: 02.02.25
THEORY OF OPERATION
Normal A.C. power is connected to terminals TB1-1 & 2 and flows through Fuse F1, to the power transformer
TF1. TF1 reduces the A.C. line voltage to 24V and supplies it to the PC board through Fuse F2 where it rectifies
the A.C. to D.C. voltage to provide 24 V.D.C. control bus for alarm sensing, signal lamps and the audible alarm.
Supervisory A.C. Power is connected to terminals TB1-3 & 4 and flows through Fuse F3, to the power
transformer TF2. TF2 reduces the A.C. line voltage to 24V and supplies it to the P.C. board through Fuse F4
where it rectifies the A.C. to D.C. voltage to provide 24V.D.C. control bus for alarm sensing, signal lamps & the
audible alarm.
FAILURE CONDITIONS:
Failure Contact (See Schematic) senses a failure and closes to energize the corresponding signal lamp. Relay RK2
also becomes energized. RK2 closes contacts RK2A to energize relay RK11 through normally closed RK21B.
Contacts RK11A close to energize the audible alarm and relay K1. Relay K1 transfers its contacts K1A & K1B to
initiate the external remote alarm contacts (See Schematic).
Master Control Systems, Inc.
DRAP
-6-
Lake Bluff, Illinois
Rev.: 02.02.25
REPLACEMENT PARTS LIST
MODEL DRAP REMOTE ALARM PANELS
PART NUMBER
201512
201552
800422
400013
401696
301006
301000
301316
304815
400458
400268
400268
DESCRIPTION
Fuse 0.4 Amps
Fuse 1.0 Amps
Relay - K1
Fuse Holder
Lamp Socket
Lamp Lens - Clear
Lamp Lens - Red
Lamp Bulb - 36V (#1822)
Transformer - TF1, TF2
Sonalert
Test Switch
Alarm Silence Switch
NOTE: When ordering replacement parts, be sure to specify SERIAL NUMBER and MODEL NUMBER of the
alarm panel in which they are to be used.
MASTER CONTROL SYSTEMS, INC.
910 North Shore Drive
Lake Bluff, Illinois 60044 U.S.A.
Phone: 847-295-1010 Fax: 847-295-0704
Master Control Systems, Inc.
DRAP
-7-
Lake Bluff, Illinois
Rev.: 02.02.25